Gun-barbel



PATENTED JAN, l2, 1904.

W. RGST.

GT N BARREL.

APPLIOATOE F IL ED NOV.15,1902.

l Nita raras Patented. January 1.?, 190e.

arnnir erica,

GUN-BARREL.

SPECIFICATION forming part of Letters Patent No. 749,402, datedlanuary 12, 1904. lfipplication filed November 15, 15502. Serial No. 131,534. (No model.)

To @ZZ whom it mwy concern: I

'following to be a full, clear, and exact description of the invention, such as will-` enable others skilled in the art to which appertains to make and use the same.

This invention relates to guns, and more particularly to the barrels thereof; and it has for its object to provide a barrel which will not rust, which will be durable, and which may be easily cleaned, other objects and advantages of the invention being understood from the following description.

1n the drawings forming a portion of this specification, and inwhich like numerals of reference indicate similar parts in the several views,Figure l is a section taken longitudinally through a gun-barrel involving the present invention. Fig. 2 is a transverse` section through the gun-barrel.

Referring now to the drawings, there is shown a gunbarrel comprising an outer shell 5 of usual gun-metal and which shell may be cylindrical or octagonal or may have any other desired exterior shape. The bore of the barrel at the rear end thereof is increased in diameter, as shown at 6, to form the 'firingchamber,.i'n which the shell of the cartridge is received, and from the forward end of the tiring-chamber to the muzzle of the barrel is a lining 7 of glass, said lining having any dei.

sired thickness and being of the requisite toughness, the positionof this glass lining being such that in the discharge of the gun the products of combustion dolnot come 1n contact with any metal surface, but only with the interior of the glass lining, The glass lining is/riiled throughout its length, as shown at 8, so as to give to the projectile the proper rotation.`

It will be understood that any suitable system of riing may be adopted and that the lining may be applied to guns of different bores andother dimensions and that EI nodiications of the specific construction show!Jy `may .be made without departing i'nom the spiri of the invention. I

It will be underdtood that the use of the present barrel is not confined to firearms, but may be employed in pneumatic guns.

What is claimed is- Il; `A barrel for gunshaving a glass lining.

2. A barrel for guns having a glass lining, said lining being riiied. i l

In testimony whereof I aiiix my signature in presence of two witnesses.

- WLLIE ROST. Witnesses:

WM. AWEIGERT, OTTO, CHnIsToFFERs. 

